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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F14%3A00428017%21RIV15-GA0-61389021
rdf:type
skos:Concept n19:Vysledek
dcterms:description
The paper serves as an introduction to investigation of mechanical properties of functionally graded materials and deals with numerical models of elastic nanoindentation. The models were based on the finite element method. Young's moduli were estimated by Oliver-Pharr method. The indenter geometry for which numerical solutions were accomplished was a rounded cone indenter. The effect of tip sharpness was examined by applying an increasing spherical tip radius. The results show that the apparent Young's modulus and the hardness increase linearly with increasing radius of the tip. The effect of approaching interface between two elastic materials on the apparent hardness and indentation modulus was identified in 3D model. The specimen consisted of two materials. First, the interface was planar and parallel to the direction of indentation, so that the Young's modulus changed suddenly. Second, the Young's modulus was continuously changing. The paper serves as an introduction to investigation of mechanical properties of functionally graded materials and deals with numerical models of elastic nanoindentation. The models were based on the finite element method. Young's moduli were estimated by Oliver-Pharr method. The indenter geometry for which numerical solutions were accomplished was a rounded cone indenter. The effect of tip sharpness was examined by applying an increasing spherical tip radius. The results show that the apparent Young's modulus and the hardness increase linearly with increasing radius of the tip. The effect of approaching interface between two elastic materials on the apparent hardness and indentation modulus was identified in 3D model. The specimen consisted of two materials. First, the interface was planar and parallel to the direction of indentation, so that the Young's modulus changed suddenly. Second, the Young's modulus was continuously changing.
dcterms:title
Numerical Model of Instrumented Iindentation by a Rounded Cone Indenter Using Finite Element Method Numerical Model of Instrumented Iindentation by a Rounded Cone Indenter Using Finite Element Method
skos:prefLabel
Numerical Model of Instrumented Iindentation by a Rounded Cone Indenter Using Finite Element Method Numerical Model of Instrumented Iindentation by a Rounded Cone Indenter Using Finite Element Method
skos:notation
RIV/61389021:_____/14:00428017!RIV15-GA0-61389021
n3:aktivita
n18:P n18:I
n3:aktivity
I, P(GAP108/12/1872)
n3:dodaniDat
n8:2015
n3:domaciTvurceVysledku
n16:6343767
n3:druhVysledku
n4:D
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
33300
n3:idVysledku
RIV/61389021:_____/14:00428017
n3:jazykVysledku
n7:eng
n3:klicovaSlova
nanoindentation; finite element method; functionally graded materials
n3:klicoveSlovo
n10:finite%20element%20method n10:functionally%20graded%20materials n10:nanoindentation
n3:kontrolniKodProRIV
[6204AB9D59C2]
n3:mistoKonaniAkce
Kutná Hora
n3:mistoVydani
Zurich
n3:nazevZdroje
Key Engineering Materials
n3:obor
n14:JI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n15:GAP108%2F12%2F1872
n3:rokUplatneniVysledku
n8:2014
n3:tvurceVysledku
Materna, A. Kocmanová, L. Haušild, P. Matějíček, Jiří
n3:typAkce
n11:WRD
n3:zahajeniAkce
2013-11-06+01:00
s:issn
1662-9795
s:numberOfPages
4
n20:doi
10.4028/www.scientific.net/KEM.606.73
n5:hasPublisher
Trans Tech Publications Ltd